Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
BE71V-12/630/3 Split Type Circuit Breaker: Solid-insulated 12kV 630A SF6-free RMU core unit, 20kA/25kA breaking, 10,000 operations, ≤120μΩ resistance, three-phase split design, automated.
Advanced BE71V-12/630/3 Split Type Circuit Breaker: Premium BE71V-12/630/3 model featuring three-phase split-type design for SF6-free 12kV 630A/1250A RMU core unit applications, delivering exceptional 20kA/25kA short-circuit breaking capacity with 50kA/63kA peak withstand current and 4s rated duration, utilizing solid insulation technology for eco-friendly operation, featuring ≤120μΩ main circuit resistance and ≥10,000 operations mechanical endurance complying with State Grid standards, with 85kV lightning impulse across vacuum interrupter and 48kV power frequency withstand, designed with IP4X cabinet protection and ≤10pC partial discharge at 1.2Ur.
Automated Distribution Network Ready: BE71V-12/630/3 incorporates electrical operation capability for true distribution network automation, featuring 20kA/25kA internal arc fault test (AFLR Class 0.5s) and 630A rated closed-loop breaking current, designed for SF6-free solid-insulated RMU applications, providing reliable split-type circuit breaking solution for ring main units, substations, industrial facilities, and automated distribution networks requiring environmentally friendly switching with high mechanical endurance.
| BE71V-12/630/3 Split Type Circuit Breaker Specifications | Technical Parameters | Unit |
|---|---|---|
| Model Number | BE71V-12/630/3 | – |
| Brand | Bepto Insulation Systems | – |
| Product Type | Split Type Solid Insulated Circuit Breaker for RMU (SF6-Free) | – |
| Design Type | Three-Phase Split-Type | – |
| Rated Voltage | 12 | kV |
| Rated Current | 630 / 1250 | A |
| Rated Frequency | 50 | Hz |
| Rated Short-Circuit Breaking Current | 20 / 25 | kA |
| Rated Short-Circuit Making Current | 50 / 63 | kA |
| Rated Short-Time Withstand Current | 20 / 25 | kA |
| Rated Peak Withstand Current | 50 / 63 | kA |
| Rated Short-Time Withstand Current Duration | 4 | s |
| Power Frequency Withstand Voltage (Phase-to-Phase/Phase-to-Ground) | 42 | kV |
| Lightning Impulse Withstand Voltage (Phase-to-Phase/Phase-to-Ground) | 75 | kV |
| Power Frequency Withstand Voltage (Vacuum Interrupter/Isolation Gap) | 48 | kV |
| Lightning Impulse Withstand Voltage (Vacuum Interrupter/Isolation Gap) | 85 | kV |
| Power Frequency Withstand Voltage (Control and Auxiliary Circuits) | 2 | kV |
| Rated Closed-Loop Breaking Current | 630 | A |
| Internal Arc Fault Test (AFLR Class) | 20 / 25 kA / 0.5s | – |
| Partial Discharge (at 1.2Ur) | ≤10 | pC |
| Main Circuit Resistance | ≤120 | μΩ |
| Mechanical Endurance (Circuit Breaker) | ≥10,000 | Operations |
| Mechanical Endurance (Disconnector/Grounding Switch) | 3,000 | Operations |
| Ingress Protection (IP) Rating (Cabinet) | IP4X | – |
| Insulation Technology | Solid Insulation (SF6-Free) | – |
| Compliance | State Grid Standards | – |
| Application | SF6-Free Solid Insulated RMU Core Unit, Ring Main Units | – |
Bepto is a leading Chinese company in electrical insulation, focused on developing advanced solutions for future power systems. We support transmission and distribution safety and growth, with long-term partners including State Grid, ABB, Schneider, Siemens, and GE. Our services reach clients in over 22 countries.
Bepto focuses on the global market and provides our clients with products suitable for the local market:
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
